/*  
 * i-OSGi - Tunable Bundle Isolation for OSGi
 * Copyright (C) 2011  Sven Schulz
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.iosgi;

/**
 * @author Sven Schulz
 */
public class IsolationConstraint {

	private final String[] locations;
	private final int level;

	public IsolationConstraint(String a, String b, int level) {
		locations = new String[] { a, b };
		this.level = level;
	}

	public String[] getBundles() {
		int l = locations.length;
		String[] copy = new String[l];
		System.arraycopy(locations, 0, copy, 0, l);
		return copy;
	}

	public int getLevel() {
		return level;
	}

	@Override
	public String toString() {
		StringBuilder b = new StringBuilder();
		b.append('(').append(level).append(':').append(locations[0])
				.append(',').append(locations[1]).append(')');
		return b.toString();
	}

}